The Chelsea 852 Series Power Take-Off, part number 852XJAKP-D4XV or 852XJAKPD4XV, is a hydraulic PowerShift PTO engineered for heavy-duty vocational applications. The 852 Series mounts to Allison automatic transmissions via an 8-bolt aperture and features a cast iron housing with heavy-duty ball bearings on the output shaft. The series supports torque ratings up to 500 lb-ft intermittent, with output options including an SAE C pump flange and a 1410 Series companion flange. Pressure lubrication is standard. Continuous operation is supported with a 30% de-rating applied. Typical applications include bulk transporter trucks, oil field equipment, and fire and rescue vehicles. Call us to confirm proper fit for your specific Allison transmission and application.
Features
Chelsea 852 Series Hydraulic PowerShift PTO
8-bolt mounting for Allison automatic transmissions
Intermittent torque rating up to 500 lb-ft (678 Nm)
Cast iron housing with heavy-duty ball bearings on output shaft
SAE C pump flange and 1410 Series companion flange output options
Pressure lubrication standard; continuous operation supported with 30% de-rating
Tech Specs
- Shift Type: Hydraulic PowerShift
- Mounting: 8-Bolt (Allison automatic transmissions)
- Intermittent Torque: Up to 500 lb-ft (678 Nm)
- Output Type: SAE C Pump Flange; 1410 Series Companion Flange
- Output Power: 56+ HP (42+ kW)
- Shaft Power: 48 HP at 500 RPM; 95 HP at 1000 RPM
- Lubrication: Pressure lube (standard)
- Continuous Operation: Yes, with 30% de-rating
- Housing: Cast iron
Additional Information
Parts Manual: Chelsea 852 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.